Deck 14: Ensuring Integrity and Availability

Question 1

____ detects malware by comparing current characteristics of files and disks against an archived version of these characteristics to discover any changes.

A) Integrity checking
B) Polymorphic
C) Signature
D) Heuristic

Answer 1

A

Question 2

Protection against harmful code involves more than just installing anti-malware software.

Answer 2

True

Question 3

____ scanning techniques attempt to identify malware by discovering "malware-like" behavior.

A) Integrity checking
B) Polymorphic
C) Signature
D) Heuristic

Answer 3

D

Question 4

____ scanning detects malware by comparing a file's content with known malware signatures in a signature database.

A) Integrity checking
B) Polymorphic
C) Signature
D) Heuristic

Question 5

A(n) ____ is a deviation from a specified level of system performance for a given period of time.

A) fault
B) failure
C) error
D) hoax

Question 6

Generators provide surge protection.

Question 7

A program that disguises itself as something useful but actually harms your system is called a ____.

A) virus
B) worm
C) bot
D) Trojan horse

Question 8

____ is an automatic distribution of traffic over multiple links or processors is used to optimize response.

A) Redundancy
B) Failover
C) RAID
D) Load balancing

Question 9

A(n) ____ UPS uses the A/C power from the wall outlet to continuously charge its battery, while providing power to a network device through its battery.

A) standby
B) offline
C) offsite
D) online

Question 10

____ is intended to eliminate single points of failure.

A) Availability
B) Redundancy
C) Contingency
D) Integrity

Question 11

Mesh topologies and ____ topologies are good choices for highly available enterprise networks.

A) star
B) SONET ring
C) bus
D) ring

Question 12

Power that is free from noise is called "____" power.

A) clear
B) clean
C) filtered
D) white

Question 13

An anti-malware policy is meant to protect the network from damage and downtime.

Question 14

When implementing anti-malware software on a network, one of your most important decisions is where to install the software.

Question 15

A(n) ____ virus disguises itself as a legitimate program to prevent detection.

A) stealth
B) encrypted
C) time dependent
D) polymorphic

Question 16

The goal of fault-tolerant systems is to prevent failures from progressing to faults.

Question 17

A ____ is a program that runs automatically, without requiring a person to start or stop it.

A) virus
B) worm
C) bot
D) Trojan horse

Question 18

A(n) ____ virus changes its characteristics every time it is transferred to a new system.

A) stealth
B) encrypted
C) time dependent
D) polymorphic

Question 19

____ are programs that run independently and travel between computers and across networks.

A) Viruses
B) Worms
C) Bots
D) Trojan horses

Question 20

____ is a fault-tolerance technique that links multiple servers together to act as a single server.

A) Clustering
B) Grouping
C) Mirroring
D) Duplicating

Question 21

An archive ____ is a file attribute that can be checked or to indicate whether the file must be archived.

A) bit
B) byte
C) word
D) field

Question 22

____ is a specialized storage device or group of storage devices that provides centralized fault-tolerant data storage for a network.

A) NAS
B) RAID
C) SANs
D) Optical media

Question 23

Describe the key to fault tolerance in network design. Provide examples of fault tolerant topologies.

Question 24

Describe how an organization implements anti-malware software.

Question 25

Explain why it is important to keep backups, boot disks, and emergency repair disks current and available.

Question 26

____________________ is the process of restoring your critical functionality and data after an enterprise-wide outage that affects more than a single system or a limited group of users.

Question 27

Describe clustering and explain why it is more cost-effective than mirroring for large networks.

Question 28

Define mirroring and server mirroring. Describe the necessary requirement for server mirroring.

Question 29

A(n) ____________________ is a battery-operated power source directly attached to one or more devices and to a power supply (such as a wall outlet) that prevents undesired features of the wall outlet's A/C power from harming the device or interrupting its services.

Question 30

Many bots spread through the ____________________, a protocol that enables users running client software to communicate instantly with other participants in a chat room on the Internet.

Question 31

What are external disk drives and why are they useful?

Question 32

____________________ refers to a collection of disks that provide fault tolerance for shared data and applications.

Question 33

____ is a type of media capable of storing digitized data and that uses a laser to write data to it and read data from it.

A) Tape backup media
B) Optical media
C) Fiber optic media
D) USB

Question 34

A(n) ____________________ is a copy of data or program files created for archiving or safekeeping.

Question 35

____ Web sites are locations on the Internet that dynamically duplicate other locations on the Internet, to ensure their continual availability.

A) Clustered
B) Mirrored
C) Grouped
D) Shared

Question 36

A group of hard disks is called a ____.

A) RAID group
B) disk volume
C) disk array
D) disk partition

Question 37

Define and describe a virus.

Question 38

____ are distinct networks of storage devices that communicate directly with each other and with other networks.

A) NAS
B) RAID
C) SANs
D) Optical media

Question 39

What is integrity checking?

Question 40

Explain the concept of a backup strategy and provide a list of eight questions the strategy should address.

Question 41

Describe a backup rotation scheme and explain the goal of a good scheme.